Re: Practical maximums (was Re: PostgreSQL theoretical

On Mon, 2006-08-07 at 15:18, Ron Johnson wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Scott Marlowe wrote:
> >
> > Oh, I see where you were headed.
> >
> > I've found a bit here and there googling about for multiplex and tar,
> > and found an IO:Multiplex module for perl.
> >
> > I don't see why someone couldn't make use of it to create some kind of
> > system where you'd do:
> >
> > pg_dump dbname | perl mulitiplexscript device1,device2,device3,devicen
> >
> > No need for postgresql to support it directly.  Restoring would likewise
> > just be a reverse operation.
>
> Interesting.  Many thanks.  Scary though that it hasn't been touched
> in 30 months.
>
> With multiple SCSI cards, each with it's own tape drive, this
> immensely speeds up the backup operation.

Yeah, I read the description, and I think it's just a fancy name for
tee.  sigh.  Not REAL multiplexing, but stream duplication.